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Studies of Overload Effect on Fatigue Damage of Steel Bridges

Chan, Tommy H.T., Ko, Jan Ming , & Li, Z.X. (2003) Studies of Overload Effect on Fatigue Damage of Steel Bridges. In Li, Aiqun, Sih, George, Nied, Herman, & Li, Z. (Eds.) International Conference on Health Monitoring of Structure, Material and Environment, 13-15 November, Japan.

Abstract

Possible accidental overloading on a bridge occurs when an unexpected disaster happens. This paper studies the overloading effect on the fatigue damage of bridges on the basis of a nonlinear fatigue damage model. The model is applied to evaluate the fatigue damage and service life of the Tsing Ma Bridge (TMB), under normal traffic loading and possible accidental overloading. The calculated results under simulated con¬ditions for TMB showed the significant effect of overloading on the fatigue accumulation and residual life of the bridge. Typhoons are a significant factor in the design of bridges in Hong Kong. With the help of the data acquired by the Wind and Structural Health Monitoring System (WASHMS) installed in TMB, it is possible to investigate whether a typhoon will generate an overstress range in the local members ofTMB. It is concluded that typhoons do not usually generate local overstress inside bridges like TMB.

Impact and interest:

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ID Code: 12782
Item Type: Conference Paper
Additional Information: For more information, please refer to the publisher’s website (see hypertext link) or contact the author.
Additional URLs:
ISBN: 9058096475
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Urban Development
Copyright Owner: Copyright 2003 Swets & Zeitlinger
Deposited On: 04 Mar 2008
Last Modified: 11 Aug 2011 01:36

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